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2026-07-21 - 08:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Jul 21, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1153921850,2sleep30-21swapper/319:05:273
11913212261,7sleep10-21swapper/119:09:301
1198621150,0sleep30-21swapper/322:28:363
118082113103,7sleep00-21swapper/019:08:080
11619211033,8sleep20-21swapper/219:05:432
230542700,4sleep01212299cyclictest00:10:180
291892680,0sleep00-21swapper/000:25:240
295012620,0sleep30-21swapper/322:21:113
205422620,1sleep320548-21kthreadcore20:40:183
318472610,2sleep11212699cyclictest23:05:151
314712600,0sleep30-21swapper/323:05:123
54962580,3sleep338-21rcuc/321:57:523
161552580,1sleep338-21rcuc/323:10:293
55912570,0sleep30-21swapper/323:49:033
259132570,0sleep30-21swapper/321:25:183
54672550,0sleep30-21swapper/322:40:123
195292550,0sleep229-21rcuc/222:04:392
114972550,0sleep10-21swapper/123:36:551
222692540,0sleep10-21swapper/100:10:151
25672530,0sleep00-21swapper/023:34:060
185062510,0sleep30-21swapper/300:08:013
1213099303,16cyclictest0-21swapper/221:11:092
12130993016,12cyclictest0-21swapper/200:16:482
1213099300,3cyclictest0-21swapper/223:02:322
1213099300,23cyclictest0-21swapper/223:05:572
1213099290,3cyclictest0-21swapper/221:17:182
1213099290,21cyclictest0-21swapper/200:03:382
1213099290,1cyclictest14770-21kworker/2:123:26:002
1213099282,15cyclictest28673-21kworker/2:222:13:082
12130992815,12cyclictest0-21swapper/200:07:242
1213099280,4cyclictest0-21swapper/223:12:092
1213099280,3cyclictest0-21swapper/223:50:272
1213099280,26cyclictest0-21swapper/223:24:502
1213099280,22cyclictest0-21swapper/200:20:502
1213099280,20cyclictest26845-21ssh21:53:292
1213099280,1cyclictest0-21swapper/222:27:532
1213099280,18cyclictest0-21swapper/221:47:282
1213099280,12cyclictest30826-21kworker/2:023:40:182
1212699280,27cyclictest0-21swapper/120:51:551
1213099274,11cyclictest0-21swapper/200:38:012
1213099270,3cyclictest0-21swapper/223:18:472
1213099270,26cyclictest0-21swapper/220:13:032
1213099270,25cyclictest0-21swapper/221:20:012
1213099270,15cyclictest0-21swapper/222:43:502
1213099270,14cyclictest3082650kworker/2:023:34:322
1212699270,26cyclictest0-21swapper/123:54:091
1212699270,26cyclictest0-21swapper/121:23:191
1212699270,26cyclictest0-21swapper/121:06:221
1212699270,26cyclictest0-21swapper/119:44:121
718722613,3sleep30-21swapper/300:03:173
12130992616,8cyclictest757-21snmpd19:15:182
12130992614,11cyclictest0-21swapper/222:22:392
12130992613,11cyclictest0-21swapper/223:56:002
12130992612,12cyclictest0-21swapper/221:37:432
1213099260,25cyclictest0-21swapper/220:51:252
1213099260,25cyclictest0-21swapper/220:45:312
1213099260,25cyclictest0-21swapper/219:45:572
1213099260,21cyclictest0-21swapper/220:26:332
1213099260,20cyclictest0-21swapper/222:48:532
1213099260,16cyclictest0-21swapper/222:57:382
1213099260,15cyclictest0-21swapper/222:39:462
1213099260,10cyclictest30826-21kworker/2:000:31:532
12126992622,3cyclictest0-21swapper/121:32:311
12126992622,3cyclictest0-21swapper/119:22:031
12130992518,7cyclictest0-21swapper/219:54:022
12130992511,12cyclictest0-21swapper/223:35:562
1213099250,3cyclictest0-21swapper/222:15:132
1213099250,24cyclictest0-21swapper/221:25:132
12126992522,3cyclictest0-21swapper/119:17:141
12126992521,3cyclictest0-21swapper/121:26:071
12126992521,3cyclictest0-21swapper/119:51:381
12126992521,3cyclictest0-21swapper/100:28:101
1212699250,24cyclictest0-21swapper/121:58:261
2144822418,3sleep30-21swapper/321:23:563
1213099240,22cyclictest28673-21kworker/2:222:08:552
1213099240,22cyclictest0-21swapper/221:31:202
1213099240,14cyclictest28673-21kworker/2:221:55:332
12126992421,3cyclictest0-21swapper/120:26:481
12126992417,6cyclictest8855-21cpuspeed_turbos21:00:131
12126992415,8cyclictest0-21swapper/122:43:151
1212699240,23cyclictest0-21swapper/123:43:221
1212699240,23cyclictest0-21swapper/122:03:021
1212699240,23cyclictest0-21swapper/100:18:031
1212699240,18cyclictest0-21swapper/123:15:021
687922319,3sleep30-21swapper/320:27:483
217592230,1sleep30-21swapper/323:40:333
1213099234,12cyclictest0-21swapper/222:30:182
1213099233,7cyclictest22785-21/usr/sbin/munin20:15:222
1213099233,7cyclictest22785-21/usr/sbin/munin20:15:212
1213099233,19cyclictest0-21swapper/221:44:392
12130992318,4cyclictest757-21snmpd20:35:152
12130992316,6cyclictest757-21snmpd20:30:542
1213099231,21cyclictest0-21swapper/219:38:512
1213099231,20cyclictest0-21swapper/223:46:412
1213099231,20cyclictest0-21swapper/222:50:202
1213099231,13cyclictest0-21swapper/220:05:252
1213099230,13cyclictest757-21snmpd00:10:122
12126992321,2cyclictest0-21swapper/122:10:491
12126992320,3cyclictest0-21swapper/119:14:331
1212699230,22cyclictest0-21swapper/123:55:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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